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Posted to issues@systemml.apache.org by "LI Guobao (JIRA)" <ji...@apache.org> on 2018/05/09 09:00:01 UTC

[jira] [Created] (SYSTEMML-2306) Implementation of a script with paramserv func

LI Guobao created SYSTEMML-2306:
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             Summary: Implementation of a script with paramserv func
                 Key: SYSTEMML-2306
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2306
             Project: SystemML
          Issue Type: Sub-task
            Reporter: LI Guobao
            Assignee: LI Guobao


This task aims to write a dml script consisting the paramserv function. We could easily reuse the MNIST LeNet example and adapt it by creating a struct-like model and passing the update function as well as the aggregation function. In this case, the update function which will be executed in workers should consist of calculating the gradients by walking the batch forward and backward steps. And the aggregation function which will be runned in parameter server should consist of updating the weights and biases by aggregating the received gradients.



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